/* ===== 7월 GRAND OPEN 랜딩페이지 (메인 페이지 톤) ===== */

/* 히어로 섹션 */
.hero-grand-opening {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--secondary-color);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 1.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.hero-grand-opening .hero-title {
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 1.5rem;
}

.hero-grand-opening .hero-title strong {
  font-weight: 800;
  color: var(--primary-color);
  font-size: 2rem;
  display: block;
  margin-top: 0.5rem;
}

.hero-grand-opening .hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-cta-wrap {
  margin-top: 2rem;
}

.btn-primary {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  font-size: 1.125rem;
  font-weight: 700;
  padding: 1.25rem 2.5rem;
  border-radius: 0.75rem;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(26, 54, 93, 0.15);
}

.btn-primary:hover {
  background: #15294a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 54, 93, 0.25);
}

.hero-cta-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* 섹션 공통 */
.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--secondary-color);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 1rem;
}

.go-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.go-section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

/* 학원 활동 기록 섹션 */
.activity-record {
  background: var(--bg-secondary);
  padding: 4rem 0;
}

.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.activity-card {
  background: white;
  border-radius: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  text-decoration: none;
  display: block;
}

.activity-card:hover {
  border-color: var(--secondary-color);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.activity-card-featured .activity-image {
  margin: -1.75rem -1.75rem 1.5rem;
  border-radius: 1rem 1rem 0 0;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.activity-card-featured .activity-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.activity-date {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.activity-badge {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
}

.activity-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.activity-summary {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.activity-link {
  display: inline-block;
  color: var(--secondary-color);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
}

.activity-link:hover {
  text-decoration: underline;
}

.activity-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 시그니처 교재 섹션 */
.signature-section {
  padding: 4rem 0;
  background: white;
}

.signature-image {
  margin: 2rem 0;
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.signature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.signature-content {
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: 0.75rem;
  border-left: 4px solid var(--secondary-color);
  margin-bottom: 2rem;
}

.signature-quote {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.signature-quote:last-child {
  margin-bottom: 0;
}

.signature-quote strong {
  color: var(--primary-color);
  font-weight: 700;
}

.curriculum-stages {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.stage-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  text-align: center;
  min-width: 80px;
}

.stage-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stage-period {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.stage-arrow {
  color: var(--text-muted);
  font-size: 1.25rem;
}

.signature-more-link {
  display: block;
  text-align: center;
  color: var(--secondary-color);
  font-weight: 600;
  text-decoration: none;
  margin-top: 1rem;
}

/* 누적 테스트 섹션 */
.cumulative-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.cumulative-image {
  margin: 2rem 0;
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.cumulative-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cumulative-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: white;
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
}

.feature-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.feature-text strong {
  display: block;
  font-size: 1.0625rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.feature-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.cumulative-more-link {
  display: block;
  text-align: center;
  color: var(--secondary-color);
  font-weight: 600;
  text-decoration: none;
}

/* 풀이 관리 섹션 */
.management-section {
  padding: 4rem 0;
  background: white;
}

.management-image {
  margin: 2rem 0;
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.management-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.management-desc {
  background: var(--bg-secondary);
  padding: 1.75rem;
  border-radius: 0.75rem;
  border-left: 4px solid var(--secondary-color);
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.8;
  text-align: center;
}

.management-desc strong {
  color: var(--primary-color);
  font-weight: 700;
}

/* 학부모 후기 섹션 */
.parent-reviews {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.review-image {
  margin: 2rem 0;
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.review-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-highlight {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 0.75rem;
  border-left: 4px solid var(--secondary-color);
  text-align: center;
  margin-bottom: 1rem;
}

.review-highlight p {
  font-size: 1.0625rem;
  color: var(--text-primary);
  line-height: 1.7;
  font-style: italic;
  margin: 0;
}

.review-author {
  font-size: 0.875rem !important;
  color: var(--text-secondary) !important;
  margin-top: 1rem !important;
  font-style: normal !important;
}

.review-note {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
}

/* CTA 섹션 */
.go-cta-section {
  padding: 4rem 0;
  background: white;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.75rem;
  border-radius: 1rem;
  text-decoration: none;
  margin-bottom: 1rem;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.cta-card-primary {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 16px rgba(26, 54, 93, 0.15);
}

.cta-card-primary:hover {
  background: #15294a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 54, 93, 0.25);
}

.cta-card-primary .cta-card-label {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.cta-card-kakao {
  background: #FEE500;
  color: #1a1a1a;
}

.cta-card-kakao:hover {
  background: #ffd900;
  transform: translateY(-2px);
}

.cta-card-kakao .cta-card-label {
  background: rgba(0, 0, 0, 0.1);
  color: #1a1a1a;
}

.cta-card-secondary {
  background: white;
  color: var(--primary-color);
  border-color: var(--border-color);
}

.cta-card-secondary:hover {
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.cta-card-secondary .cta-card-label {
  background: var(--bg-tertiary);
  color: var(--secondary-color);
}

.cta-card-content {
  flex: 1;
}

.cta-card-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  margin-bottom: 0.5rem;
}

.cta-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.cta-card-desc {
  font-size: 0.875rem;
  opacity: 0.85;
  line-height: 1.4;
}

.cta-card-arrow {
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.cta-card:hover .cta-card-arrow {
  transform: translateX(4px);
}

/* 헤더 링크 */
.header-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.header-link:hover {
  color: var(--primary-color);
}

/* 반응형 */
@media (max-width: 640px) {
  .hero-grand-opening {
    padding: 4rem 0 3rem;
  }

  .hero-grand-opening .hero-title {
    font-size: 1.5rem;
  }

  .hero-grand-opening .hero-title strong {
    font-size: 1.75rem;
  }

  .go-section-title {
    font-size: 1.5rem;
  }

  .btn-primary {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .curriculum-stages {
    flex-direction: column;
  }

  .stage-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 480px) {
  .hero-grand-opening {
    padding: 3.5rem 0 2.5rem;
  }

  .activity-record,
  .signature-section,
  .cumulative-section,
  .management-section,
  .parent-reviews,
  .go-cta-section {
    padding: 3rem 0;
  }

  .activity-card {
    padding: 1.25rem;
  }

  .activity-card-featured .activity-image {
    margin: -1.25rem -1.25rem 1.25rem;
  }

  .cta-card {
    padding: 1.25rem 1.5rem;
  }

  .cta-card-title {
    font-size: 1rem;
  }
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-color);
  color: white;
  text-align: center;
  padding: 1rem 1.5rem;
  padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  z-index: 100;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 -4px 20px rgba(26, 54, 93, 0.15);
}

.sticky-cta.visible {
  transform: translateY(0);
  opacity: 1;
}

.sticky-cta:hover {
  background: #15294a;
}

/* 카톡 버튼 숨김 상태 */
.floating-kakao.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.floating-kakao {
  transition: opacity 0.3s ease, transform 0.3s ease;
}